Muscle Function Complex™
Amino Acids & ProteinBrand: GNC Milestones
Net Contents
N/A
Serving Size
2 White Filled Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
Not specified
Product Version
CODE 103512 LNG
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
3 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Milk
- Wheat
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 2 White Filled Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Leucine | 350 mg | — |
| L-Valine | 175 mg | — |
| L-Isoleucine | 175 mg | — |
Not Present
Amino Acid Profile
3 amino acids detected on the label, including 3 essential and 3 branched-chain (BCAA). Bars show the disclosed amount per serving; total mapped amino acids ≈ 700 mg.
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
To ensure a complete nutritional program, take daily with these GNC products: - GNC Protein - Ultra Probiotic Complex 25 - SuperFoods Whole Foods Blend
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Precautions re: All Other
Discontinue use two weeks prior to surgery.
Precautions re: Children
Keep out of reach of children.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Type
GNC milestones Teen Vitapak for Boys is a complete daily program designed to help active teenage boys meet their nutritional needs.
Formulation re: Does NOT Contain
No Artificial Colors, no Wheat, no Gluten, no Dairy.
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
Muscle Function Complex - Provides a specialized blend of branched chain amino acids (BCAA), the building blocks of protein. BCAA help fuel skeletal muscles during sports and in daily activity, preserving muscle glycogen stores and helping reduce muscle breakdown. BCAA are important for the growth and repair process of muscle tissue.
General Statements: All Other Content
Muscle Function Complex
General Statements: All Other Content
Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
General: Product/Version Code
CODE 103512 LNG
General Statements: All Other Content
Directions: For optimal benefits, as a dietary supplement, take the contents of one packet daily.
General Statements: All Other Content
Did you know? Teen boys need higher amounts of certain vitamins & minerals essential for muscle function, energy production & general health. And, nutrition surveys reveal that most aren't getting what they need via diet alone.
General Statements: All Other Content
GNC quality commitment For more than 77 years, GNC has been the leader in the development of superior nutritional supplements. Our products are produced using only fresh, high-quality ingredients and are manufactured under the strictest quality controls.
Brand IP Statement(s) re: (c), (TM), (SM)
GNC milestones Teen Vitapak for Boys
General Statements: All Other Content
Each convenient daily pack contains essential vitamins, minerals and other key ingredients to support overall health and wellness, along with specialized formulas to help fuel muscles and support skin and eye health
General Statements: All Other Content
GNC guarantee If you are not 100% completely satisfied, return the unused portion of the product with your receipt to a GNC store within 30 days. Our trained sales staff will either refund your purchase price, or, if you prefer, assist you in finding a replacement product to help you Live well.
General Statements: All Other Content
{QR CODE} SCAN & LEARN MORE
General Statements: All Other Content
NEW
General Statements: All Other Content
- Features essential vitamins, minerals & nutrients to support energy production, immune health & muscle function for active teen boys - Helps fuel muscle cells with specialized amino acid complex necessary for muscle function & recovery
Manufacturer & Distributor
Distributor
General Nutrition Corporation
Pittsburgh, PA, 15222
1-888-462-2548
Market Reference
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Walmart - Pattern4.9(11)$39.99
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Nutrition Depot
5.0 (111)Vitamin & supplements store
2005 Southwest Fwy, Houston, TX 77098
Total Nutrition Heights
4.8 (85)Vitamin & supplements store
174 Yale St #200, Houston, TX 77007
TF Supplements Nutrition Superstore
4.9 (283)Vitamin & supplements store
20121 I-45, Spring, TX 77388
Wholesale Nutrition Center
4.8 (76)Vitamin & supplements store
5747 Richmond Ave, Houston, TX 77057
THE B-12 STORE
5.0 (484)Vitamin & supplements store
5901 Westheimer Rd #F, Houston, TX 77057
Potent Health Supplements
3.0 (2)Wholesaler
10917 Fullerton Dr, Houston, TX 77043
The Vitamin Shoppe
4.4 (159)Vitamin & supplements store
5829 Kirby Dr, Houston, TX 77005
Dan's Vitamin House
4.8 (33)Vitamin & supplements store
3861 Bellaire Blvd, Houston, TX 77025
Research & Studies
GlyNAC Supplementation improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, aging hallmarks, metabolic defects, muscle …
RV Sekhar - The Journal of nutrition, 2021 - academic.oup.com
… the effects of GlyNAC supplementation on age-associated defects … supplementation could be effective in promoting healthy aging. It is particularly exciting that GlyNAC supplementation …
202157 citationsCommon questions and misconceptions about dietary supplements and the industry-What does science and the law really say?
J Antonio, B Antonio, A Aragon, E Bustillo… - Journal of the …, 2025 - Taylor & Francis
… and dietary supplements intended for weight loss and muscle … RCTs on dietary supplements is a complex issue that depends on … For many years, GNC has been considered the market …
20255 citationsHow Long Does Creatine Take to Work? Week-by-Week Timeline
HM Creatine, YDM Dose - yourhealthier.com
… stores respond to supplementation more slowly than muscle, and … If your Costco lacks it, Amazon, Walmart, and GNC are … healthcare provider before starting any supplement regimen. …
Mitochondria as nutritional targets to maintain muscle health and physical function during ageing
SC Broome, J Whitfield, LG Karagounis, JA Hawley - Sports Medicine, 2024 - Springer
… skeletal muscle mitochondrial health and physical function. This … muscle mitochondria and considers several supplements that … This, in part, is because it is difficult to isolate the direct …
202439 citationsBodybuilding: Nutrition, training and steroids
L Severiche - 2013 - books.google.com
… in gain muscle mass or lose weight, it is at this point that we often forget the health results and … , also taking into account other factors such as adequate rest, nutritional supplements, and …
20136 citationsCan Dietary Supplements Support Muscle Function and Physical Activity? A Narrative Review
L Brough, G Rees, L Drummond-Clarke, JE McCallum… - Nutrients, 2025 - mdpi.com
… soreness, this review sought to examine muscle health through a nutritional lens. … complex ecosystem of microorganisms plays an important role in human health, influencing functions …
20252 citations
Related News
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-03-25. DSLD Label ID: 31235. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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